Definition of penstocknext
as in pipe
a long hollow cylinder for carrying a substance (as a liquid or gas) a penstock carried water for the waterwheel

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of penstock As Lake Powell’s storage has dropped below a quarter of its capacity and its surface waters have crept within about 40 feet of the penstocks that feed water to the hydroelectric plant and the river below, the river has warmed up. — Brandon Loomis, AZCentral.com, 8 Sep. 2026 The project included replacing sections of the penstock, installing new vent piping and constructing a new concrete thrust block. — Daniel Lempres, Sacbee.com, 3 July 2026 That plate sealed the opening of the penstock (water delivery tube) and holds back water from the reservoir. — Logan Smith, CBS News, 22 Feb. 2026 See All Example Sentences for penstock
Recent Examples of Synonyms for penstock
Noun
  • The mollusks can form dense colonies that clog pipes, obstruct water flow and foul boat motors.
    — Daniel Hunt, Sacbee.com, 23 Oct. 2026
  • Prolonged pump stoppages could lead to a disastrous local scenario of ruptured water supply, district heating, and sewage pipes, even if electricity remains available elsewhere in the country.
    — Tatiana Mitrova, Foreign Affairs, 23 Oct. 2026
Noun
  • His Kyrie organization now serves as a TEFA conduit for three new locations.
    — ABC News, ABC News, 21 Oct. 2026
  • The city's conduit agreement with BGE calls for $120 million of capital improvements over the course of four years.
    — Bryan Lynn, CBS News, 20 Oct. 2026
Noun
  • Several kids braved the 37-foot-tall slide, their screams echoing from inside the metal tube before popping out (usually with a smile).
    — Idaho Statesman, Idaho Statesman, 23 Oct. 2026
  • These small tubes return water and nutrients to the blood and help form urine.
    — MD Published, Verywell Health, 23 Oct. 2026
Noun
  • While a filter holds the foam back, the gas passes through another channel into the eyedrop chamber, where the pressure exerted by it pushes the medication down a final microfluidic channel that leads directly into the corner of the patient's eye.
    — Ben Coxworth October 23, New Atlas, 23 Oct. 2026
  • Most of the nitrogen used in fertilizer travels through the Strait of Hormuz, a vital shipping channel in the Middle East controlled by Iran.
    — Saige Miller, NPR, 23 Oct. 2026

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Cite this Entry

“Penstock.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/penstock. Accessed 29 Oct. 2026.

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